Charmonium Production via Fragmentation

Details Charmonium Production via Fragmentation Charmonium Production via Fragmentation

1993-11-20

arxiv.org/abs/hep-ph/9311322v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, FERMILAB-CONF-93/348-T

Scientific paper

We present the preliminary results of a calculation of the fragmentation contribution to charmonium production at large transverse momentum in $p\bar{p}$ colliders. The fragmentation of gluons and charm quarks is the dominant direct production mechanism for sufficiently large $p_{\perp}$. We find that for both $J/\psi$ and $\psi '$ production fragmentation dominates over the conventional gluon-gluon fusion mechanism for $p_{\perp}$ greater than about 6 GeV.} Presented at the Workshop on Physics at Current Accelerator and the Supercollider, Argonne National Laboratory, June 1993.

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